2 * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include <openssl/ssl.h>
11 #include <openssl/evp.h>
13 #include "../ssl/ssl_local.h"
20 * Based on the test vectors available in:
21 * https://tools.ietf.org/html/draft-ietf-tls-tls13-vectors-06
24 static unsigned char hs_start_hash[] = {
25 0xc6, 0xc9, 0x18, 0xad, 0x2f, 0x41, 0x99, 0xd5, 0x59, 0x8e, 0xaf, 0x01, 0x16,
26 0xcb, 0x7a, 0x5c, 0x2c, 0x14, 0xcb, 0x54, 0x78, 0x12, 0x18, 0x88, 0x8d, 0xb7,
27 0x03, 0x0d, 0xd5, 0x0d, 0x5e, 0x6d
30 static unsigned char hs_full_hash[] = {
31 0xf8, 0xc1, 0x9e, 0x8c, 0x77, 0xc0, 0x38, 0x79, 0xbb, 0xc8, 0xeb, 0x6d, 0x56,
32 0xe0, 0x0d, 0xd5, 0xd8, 0x6e, 0xf5, 0x59, 0x27, 0xee, 0xfc, 0x08, 0xe1, 0xb0,
33 0x02, 0xb6, 0xec, 0xe0, 0x5d, 0xbf
36 static unsigned char early_secret[] = {
37 0x33, 0xad, 0x0a, 0x1c, 0x60, 0x7e, 0xc0, 0x3b, 0x09, 0xe6, 0xcd, 0x98, 0x93,
38 0x68, 0x0c, 0xe2, 0x10, 0xad, 0xf3, 0x00, 0xaa, 0x1f, 0x26, 0x60, 0xe1, 0xb2,
39 0x2e, 0x10, 0xf1, 0x70, 0xf9, 0x2a
42 static unsigned char ecdhe_secret[] = {
43 0x81, 0x51, 0xd1, 0x46, 0x4c, 0x1b, 0x55, 0x53, 0x36, 0x23, 0xb9, 0xc2, 0x24,
44 0x6a, 0x6a, 0x0e, 0x6e, 0x7e, 0x18, 0x50, 0x63, 0xe1, 0x4a, 0xfd, 0xaf, 0xf0,
45 0xb6, 0xe1, 0xc6, 0x1a, 0x86, 0x42
48 static unsigned char handshake_secret[] = {
49 0x5b, 0x4f, 0x96, 0x5d, 0xf0, 0x3c, 0x68, 0x2c, 0x46, 0xe6, 0xee, 0x86, 0xc3,
50 0x11, 0x63, 0x66, 0x15, 0xa1, 0xd2, 0xbb, 0xb2, 0x43, 0x45, 0xc2, 0x52, 0x05,
51 0x95, 0x3c, 0x87, 0x9e, 0x8d, 0x06
54 static const char *client_hts_label = "c hs traffic";
56 static unsigned char client_hts[] = {
57 0xe2, 0xe2, 0x32, 0x07, 0xbd, 0x93, 0xfb, 0x7f, 0xe4, 0xfc, 0x2e, 0x29, 0x7a,
58 0xfe, 0xab, 0x16, 0x0e, 0x52, 0x2b, 0x5a, 0xb7, 0x5d, 0x64, 0xa8, 0x6e, 0x75,
59 0xbc, 0xac, 0x3f, 0x3e, 0x51, 0x03
62 static unsigned char client_hts_key[] = {
63 0x26, 0x79, 0xa4, 0x3e, 0x1d, 0x76, 0x78, 0x40, 0x34, 0xea, 0x17, 0x97, 0xd5,
67 static unsigned char client_hts_iv[] = {
68 0x54, 0x82, 0x40, 0x52, 0x90, 0xdd, 0x0d, 0x2f, 0x81, 0xc0, 0xd9, 0x42
71 static const char *server_hts_label = "s hs traffic";
73 static unsigned char server_hts[] = {
74 0x3b, 0x7a, 0x83, 0x9c, 0x23, 0x9e, 0xf2, 0xbf, 0x0b, 0x73, 0x05, 0xa0, 0xe0,
75 0xc4, 0xe5, 0xa8, 0xc6, 0xc6, 0x93, 0x30, 0xa7, 0x53, 0xb3, 0x08, 0xf5, 0xe3,
76 0xa8, 0x3a, 0xa2, 0xef, 0x69, 0x79
79 static unsigned char server_hts_key[] = {
80 0xc6, 0x6c, 0xb1, 0xae, 0xc5, 0x19, 0xdf, 0x44, 0xc9, 0x1e, 0x10, 0x99, 0x55,
84 static unsigned char server_hts_iv[] = {
85 0xf7, 0xf6, 0x88, 0x4c, 0x49, 0x81, 0x71, 0x6c, 0x2d, 0x0d, 0x29, 0xa4
88 static unsigned char master_secret[] = {
89 0x5c, 0x79, 0xd1, 0x69, 0x42, 0x4e, 0x26, 0x2b, 0x56, 0x32, 0x03, 0x62, 0x7b,
90 0xe4, 0xeb, 0x51, 0x03, 0x3f, 0x58, 0x8c, 0x43, 0xc9, 0xce, 0x03, 0x73, 0x37,
91 0x2d, 0xbc, 0xbc, 0x01, 0x85, 0xa7
94 static const char *client_ats_label = "c ap traffic";
96 static unsigned char client_ats[] = {
97 0xe2, 0xf0, 0xdb, 0x6a, 0x82, 0xe8, 0x82, 0x80, 0xfc, 0x26, 0xf7, 0x3c, 0x89,
98 0x85, 0x4e, 0xe8, 0x61, 0x5e, 0x25, 0xdf, 0x28, 0xb2, 0x20, 0x79, 0x62, 0xfa,
99 0x78, 0x22, 0x26, 0xb2, 0x36, 0x26
102 static unsigned char client_ats_key[] = {
103 0x88, 0xb9, 0x6a, 0xd6, 0x86, 0xc8, 0x4b, 0xe5, 0x5a, 0xce, 0x18, 0xa5, 0x9c,
107 static unsigned char client_ats_iv[] = {
108 0xb9, 0x9d, 0xc5, 0x8c, 0xd5, 0xff, 0x5a, 0xb0, 0x82, 0xfd, 0xad, 0x19
111 static const char *server_ats_label = "s ap traffic";
113 static unsigned char server_ats[] = {
114 0x5b, 0x73, 0xb1, 0x08, 0xd9, 0xac, 0x1b, 0x9b, 0x0c, 0x82, 0x48, 0xca, 0x39,
115 0x26, 0xec, 0x6e, 0x7b, 0xc4, 0x7e, 0x41, 0x17, 0x06, 0x96, 0x39, 0x87, 0xec,
116 0x11, 0x43, 0x5d, 0x30, 0x57, 0x19
119 static unsigned char server_ats_key[] = {
120 0xa6, 0x88, 0xeb, 0xb5, 0xac, 0x82, 0x6d, 0x6f, 0x42, 0xd4, 0x5c, 0x0c, 0xc4,
124 static unsigned char server_ats_iv[] = {
125 0xc1, 0xca, 0xd4, 0x42, 0x5a, 0x43, 0x8b, 0x5d, 0xe7, 0x14, 0x83, 0x0a
128 /* Mocked out implementations of various functions */
129 int ssl3_digest_cached_records(SSL *s, int keep)
134 static int full_hash = 0;
136 /* Give a hash of the currently set handshake */
137 int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen,
140 if (sizeof(hs_start_hash) > outlen
141 || sizeof(hs_full_hash) != sizeof(hs_start_hash))
145 memcpy(out, hs_full_hash, sizeof(hs_full_hash));
146 *hashlen = sizeof(hs_full_hash);
148 memcpy(out, hs_start_hash, sizeof(hs_start_hash));
149 *hashlen = sizeof(hs_start_hash);
155 const EVP_MD *ssl_handshake_md(SSL *s)
160 void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl)
164 void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl)
168 int ssl_cipher_get_evp_cipher(SSL_CTX *ctx, const SSL_CIPHER *sslc,
169 const EVP_CIPHER **enc)
174 int ssl_cipher_get_evp(SSL_CTX *ctx, const SSL_SESSION *s,
175 const EVP_CIPHER **enc, const EVP_MD **md,
176 int *mac_pkey_type, size_t *mac_secret_size,
177 SSL_COMP **comp, int use_etm)
183 int tls1_alert_code(int code)
188 int ssl_log_secret(SSL *ssl,
190 const uint8_t *secret,
196 const EVP_MD *ssl_md(SSL_CTX *ctx, int idx)
201 void ossl_statem_fatal(SSL *s, int al, int reason, const char *fmt, ...)
205 int ossl_statem_export_allowed(SSL *s)
210 int ossl_statem_export_early_allowed(SSL *s)
215 void ssl_evp_cipher_free(const EVP_CIPHER *cipher)
219 void ssl_evp_md_free(const EVP_MD *md)
223 /* End of mocked out code */
225 static int test_secret(SSL *s, unsigned char *prk,
226 const unsigned char *label, size_t labellen,
227 const unsigned char *ref_secret,
228 const unsigned char *ref_key, const unsigned char *ref_iv)
231 unsigned char gensecret[EVP_MAX_MD_SIZE];
232 unsigned char hash[EVP_MAX_MD_SIZE];
233 unsigned char key[KEYLEN];
234 unsigned char iv[IVLEN];
235 const EVP_MD *md = ssl_handshake_md(s);
237 if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashsize)) {
238 TEST_error("Failed to get hash");
242 if (!tls13_hkdf_expand(s, md, prk, label, labellen, hash, hashsize,
243 gensecret, hashsize, 1)) {
244 TEST_error("Secret generation failed");
248 if (!TEST_mem_eq(gensecret, hashsize, ref_secret, hashsize))
251 if (!tls13_derive_key(s, md, gensecret, key, KEYLEN)) {
252 TEST_error("Key generation failed");
256 if (!TEST_mem_eq(key, KEYLEN, ref_key, KEYLEN))
259 if (!tls13_derive_iv(s, md, gensecret, iv, IVLEN)) {
260 TEST_error("IV generation failed");
264 if (!TEST_mem_eq(iv, IVLEN, ref_iv, IVLEN))
270 static int test_handshake_secrets(void)
276 unsigned char out_master_secret[EVP_MAX_MD_SIZE];
277 size_t master_secret_length;
279 ctx = SSL_CTX_new(TLS_method());
287 s->session = SSL_SESSION_new();
288 if (!TEST_ptr(s->session))
291 if (!TEST_true(tls13_generate_secret(s, ssl_handshake_md(s), NULL, NULL, 0,
292 (unsigned char *)&s->early_secret))) {
293 TEST_info("Early secret generation failed");
297 if (!TEST_mem_eq(s->early_secret, sizeof(early_secret),
298 early_secret, sizeof(early_secret))) {
299 TEST_info("Early secret does not match");
303 if (!TEST_true(tls13_generate_handshake_secret(s, ecdhe_secret,
304 sizeof(ecdhe_secret)))) {
305 TEST_info("Handshake secret generation failed");
309 if (!TEST_mem_eq(s->handshake_secret, sizeof(handshake_secret),
310 handshake_secret, sizeof(handshake_secret)))
313 hashsize = EVP_MD_size(ssl_handshake_md(s));
314 if (!TEST_size_t_eq(sizeof(client_hts), hashsize))
316 if (!TEST_size_t_eq(sizeof(client_hts_key), KEYLEN))
318 if (!TEST_size_t_eq(sizeof(client_hts_iv), IVLEN))
321 if (!TEST_true(test_secret(s, s->handshake_secret,
322 (unsigned char *)client_hts_label,
323 strlen(client_hts_label), client_hts,
324 client_hts_key, client_hts_iv))) {
325 TEST_info("Client handshake secret test failed");
329 if (!TEST_size_t_eq(sizeof(server_hts), hashsize))
331 if (!TEST_size_t_eq(sizeof(server_hts_key), KEYLEN))
333 if (!TEST_size_t_eq(sizeof(server_hts_iv), IVLEN))
336 if (!TEST_true(test_secret(s, s->handshake_secret,
337 (unsigned char *)server_hts_label,
338 strlen(server_hts_label), server_hts,
339 server_hts_key, server_hts_iv))) {
340 TEST_info("Server handshake secret test failed");
345 * Ensure the mocked out ssl_handshake_hash() returns the full handshake
350 if (!TEST_true(tls13_generate_master_secret(s, out_master_secret,
351 s->handshake_secret, hashsize,
352 &master_secret_length))) {
353 TEST_info("Master secret generation failed");
357 if (!TEST_mem_eq(out_master_secret, master_secret_length,
358 master_secret, sizeof(master_secret))) {
359 TEST_info("Master secret does not match");
363 if (!TEST_size_t_eq(sizeof(client_ats), hashsize))
365 if (!TEST_size_t_eq(sizeof(client_ats_key), KEYLEN))
367 if (!TEST_size_t_eq(sizeof(client_ats_iv), IVLEN))
370 if (!TEST_true(test_secret(s, out_master_secret,
371 (unsigned char *)client_ats_label,
372 strlen(client_ats_label), client_ats,
373 client_ats_key, client_ats_iv))) {
374 TEST_info("Client application data secret test failed");
378 if (!TEST_size_t_eq(sizeof(server_ats), hashsize))
380 if (!TEST_size_t_eq(sizeof(server_ats_key), KEYLEN))
382 if (!TEST_size_t_eq(sizeof(server_ats_iv), IVLEN))
385 if (!TEST_true(test_secret(s, out_master_secret,
386 (unsigned char *)server_ats_label,
387 strlen(server_ats_label), server_ats,
388 server_ats_key, server_ats_iv))) {
389 TEST_info("Server application data secret test failed");
400 int setup_tests(void)
402 ADD_TEST(test_handshake_secrets);